// Copyright (c) 2014-2018, The Monero Project
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
// 
// 1. Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
//    materials provided with the distribution.
// 
// 3. Neither the name of the copyright holder nor the names of its contributors may be
//    used to endorse or promote products derived from this software without specific
//    prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include <libusb.h>

#define UNUSED(expr) (void)(expr)

int main(int argc, char *argv[]) {
  libusb_device **devs;
  libusb_context *ctx = NULL;

  int r = libusb_init(&ctx); UNUSED(r);
  ssize_t cnt = libusb_get_device_list(ctx, &devs); UNUSED(cnt);

  struct libusb_device_descriptor desc;
  r = libusb_get_device_descriptor(devs[0], &desc); UNUSED(r);
  uint8_t bus_id = libusb_get_bus_number(devs[0]); UNUSED(bus_id);
  uint8_t addr = libusb_get_device_address(devs[0]); UNUSED(addr);

  uint8_t tmp_path[16];
  r = libusb_get_port_numbers(devs[0], tmp_path, sizeof(tmp_path));
  UNUSED(r);
  UNUSED(tmp_path);

  libusb_free_device_list(devs, 1);
  libusb_exit(ctx);
}
